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What is pseudopolynomial time? How does it differ from polynomial time?
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To understand the difference between polynomial time and pseudopolynomial time, we need to start off by formalizing what "polynomial time" means.
The common intuition for polynomial time is "time O(nk) for some k." For example, select...
Postgres: Distinct but only for one column
...d catch on ordering. I didn't include it because they mentioned wanting a random ordering, but it's important to mention anyway.
– Craig Ringer
Jun 4 '13 at 12:49
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How to undo the effect of “set -e” which makes bash exit immediately if any command fails?
...et -e in an interactive bash shell, bash will exit immediately if any command exits with non-zero. How can I undo this effect?
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DBMS_OUTPUT.PUT_LINE not printing
When executing the following code, it just says the procedure is completed and doesn't print the infomation i want it to (firstName, lastName) and then the other values from the select query in a table below.
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RegEx - Match Numbers of Variable Length
... support the following expression:
\{\d+:\d+\}
The \d is actually shorthand for [0-9], but the important part is the addition of + which means "one or more".
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Sending and Receiving SMS and MMS in Android (pre Kit Kat Android 4.4)
I have figured out how to send and receive SMS messages. To send SMS messages I had to call the sendTextMessage() and sendMultipartTextMessage() methods of the SmsManager class. To receive SMS messages, I had to register a receiver in the AndroidMainfest.xml file. Then I had to override t...
What's the difference between streams and datagrams in network programming?
...the call, the other answers, you say hello to each other (SYN/ACK in TCP), and then you exchange information. Once you are done, you say goodbye (FIN/ACK in TCP). If one side doesn't hear a goodbye, they will usually call the other back since this is an unexpected event; usually the client will re...
Is the order of iterating through std::map known (and guaranteed by the standard)?
...te from std::map::begin() to std::map::end() using a for , does the standard guarantee that I'll iterate consequently through the elements with keys, sorted in ascending order?
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Filtering a list of strings based on contents
... edited May 17 at 20:09
wjandrea
12.4k55 gold badges2424 silver badges4747 bronze badges
answered Jan 28 '10 at 7:20
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Insert/Update Many to Many Entity Framework . How do I do it?
I'm using EF4 and new to it. I have a many to many in my project and cannot seem to work out how to insert or update. I have build a small project just to see how it should be coded.
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